Progress 25 (Russian: Прогресс 25) was a Soviet uncrewed Progress cargo spacecraft, which was launched in March 1986 to resupply the Mir space station.

Progress 25
Progress drawing.svg
A Progress 7K-TG spacecraft
Mission typeMir resupply
COSPAR ID1986-023A Edit this at Wikidata
SATCAT no.16645[1]
Spacecraft properties
SpacecraftProgress (No.134)
Spacecraft typeProgress 7K-TG[2]
ManufacturerNPO Energia
Start of mission
Launch date19 March 1986, 10:08:25 UTC[1]
Launch siteBaikonur, Site 1/5
End of mission
Decay date21 April 1986, 00:00 UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude183 km[3]
Apogee altitude251 km[3]
Period88.8 minutes[3]
Epoch19 March 1986
Docking with Mir
Docking portMir Core Module aft[3]
Docking date21 March 1986, 11:16:02 UTC
Undocking date20 April 1986, 19:24:08 UTC


Progress 25 launched on 19 March 1986 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[2][4]


Progress 25 docked with the aft port of the Mir Core Module on 21 March 1986 at 11:16:02 UTC, and was undocked on 20 April 1986 at 19:24:08 UTC.[3][5]


It remained in orbit until 21 April 1986, when it was deorbited. The deorbit burn occurred at 00:00 UTC and the mission ended at 00:48:30 UTC.[3][5]

See alsoEdit


  1. ^ a b "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
  2. ^ a b c "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
  3. ^ a b c d e f g h "Cargo spacecraft "Progress 25"". Manned Astronautics figures and facts. Archived from the original on 9 October 2007.
  4. ^ "Progress 25". NASA. Retrieved 5 December 2020.   This article incorporates text from this source, which is in the public domain.
  5. ^ a b "Mir". Astronautix. Archived from the original on 20 August 2016. Retrieved 5 December 2020.